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Sentences using a word illusion?
The painting is, of course, two dimensional but presents the illusion of being three dimensional.
Are clouds two dimensional or three dimensional?
Clouds are three dimensional, which is very noticeable if you have ever flown through one in a plane (as I have). I would also note that all physical objects are three dimensional; a true two dimensional object only exists as a mathematical abstraction. However, some things come close to being two dimensional. A piece of paper does have some thickness, but for most purposes it can be treated as a two dimensional object.
How many vertices on a 3d triangle?
There is not such thing as a three-dimensional triangle. You are thinking of a tetrahedron which is a three-dimensional figure with each side being a triangle. This has four vertices.
Why is the expression 2 to the third power called 2 cubed?
cubed is 3 dimensional. Three being the main word/number. so they use 3 as cubed due to its ties with dimensional
What is a 3-dimensional geomtric shape that has a total of 5 faces with 4 faces being triangles and the other 1 face being a rectangle?
A rectangular-based pyramid.
